🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 297 Days

Day: 13.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.65 AU - 0.69 AU

Year: 360 Days

Day: 17.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 14.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.81 AU - 0.83 AU

Year: 487 Days

Day: 14.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,129,620 km

• M1: 185,501 km (0.034 R)
• M2: 688,001 km (0.045 R)
• M3: 1,155,943 km (0.099 R)
• M4: 1,662,481 km (0.071 R)
• M5: 2,389,377 km (0.117 R)
• M6: 2,980,588 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 14.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.05 AU - 1.63 AU

Year: 1018 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,129,620 km

• M1: 177,872 km (0.069 R)
• M2: 810,671 km (0.078 R)
• M3: 1,693,298 km (0.117 R)
• M4: 3,411,280 km (0.108 R)
• M5: 4,026,277 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 14.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.2 AU - 1.88 AU

Year: 1254 Days

Day: 8 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,129,620 km

• M1: 196,422 km (0.082 R)
• M2: 730,187 km (0.095 R)
• M3: 1,498,971 km (0.058 R)
• M4: 2,153,910 km (0.073 R)
• M5: 2,889,483 km (0.112 R)
• M6: 3,600,821 km (0.104 R)
• M7: 5,156,040 km (0.066 R)
• M8: 6,140,544 km (0.111 R)
• M9: 9,792,527 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 10.9

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.56 AU - 1.7 AU

Year: 1365 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,129,620 km

• M1: 135,536 km (0.075 R)
• M2: 545,733 km (0.11 R)
• M3: 969,843 km (0.105 R)
• M4: 1,318,406 km (0.049 R)
• M5: 1,865,037 km (0.074 R)
• M6: 2,417,352 km (0.09 R)
• M7: 2,858,367 km (0.085 R)
• M8: 4,118,429 km (0.079 R)
• M9: 4,494,668 km (0.037 R)
• M10: 6,707,669 km (0.043 R)
• M11: 7,203,586 km (0.103 R)
• M12: 7,893,382 km (0.04 R)
• M13: 10,026,797 km (0.098 R)
• M14: 10,957,894 km (0.043 R)
• M15: 11,907,841 km (0.103 R)
• M16: 12,364,563 km (0.115 R)
• M17: 13,971,693 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 12.7

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.82 AU - 2.86 AU

Year: 2348 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,129,620 km

• M1: 157,975 km (0.049 R)
• M2: 558,449 km (0.087 R)
• M3: 1,016,368 km (0.079 R)
• M4: 1,647,521 km (0.079 R)
• M5: 2,516,236 km (0.097 R)
• M6: 3,432,374 km (0.096 R)
• M7: 4,220,605 km (0.12 R)
• M8: 5,488,297 km (0.119 R)
• M9: 6,077,264 km (0.079 R)
• M10: 6,511,547 km (0.039 R)
• M11: 7,720,148 km (0.078 R)
• M12: 9,107,967 km (0.059 R)
• M13: 10,348,433 km (0.105 R)
• M14: 11,739,843 km (0.112 R)
• M15: 12,676,176 km (0.111 R)
• M16: 13,117,938 km (0.117 R)
• M17: 14,173,201 km (0.047 R)
• M18: 14,891,421 km (0.111 R)
• M19: 16,978,610 km (0.103 R)
• M20: 17,788,982 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 14

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.97 AU - 6.53 AU

Year: 9045 Days

Day: 10.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,129,620 km

• M1: 174,132 km (0.117 R)
• M2: 803,341 km (0.098 R)
• M3: 1,474,885 km (0.114 R)
• M4: 2,289,147 km (0.057 R)
• M5: 2,739,586 km (0.108 R)
• M6: 3,748,324 km (0.025 R)
• M7: 4,636,038 km (0.115 R)
• M8: 5,083,934 km (0.09 R)
• M9: 6,791,444 km (0.065 R)
• M10: 9,266,840 km (0.077 R)
• M11: 10,378,203 km (0.073 R)
• M12: 10,992,302 km (0.108 R)
• M13: 11,903,802 km (0.116 R)
• M14: 12,519,995 km (0.081 R)
• M15: 14,185,169 km (0.112 R)
• M16: 14,878,256 km (0.117 R)
• M17: 16,675,525 km (0.085 R)
• M18: 17,447,899 km (0.064 R)
• M19: 21,672,393 km (0.106 R)
• M20: 23,976,948 km (0.072 R)
• M21: 25,234,169 km (0.035 R)
• M22: 27,685,031 km (0.1 R)
• M23: 28,470,120 km (0.032 R)
• M24: 29,270,020 km (0.116 R)
• M25: 30,290,726 km (0.117 R)
• M26: 32,187,927 km (0.076 R)
• M27: 40,196,948 km (0.083 R)
• M28: 43,794,328 km (0.114 R)
• M29: 44,325,251 km (0.109 R)
• M30: 45,129,638 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 20,262 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit